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ANEK [815]
2 years ago
11

Im struggling so please just answer the question quickly

Mathematics
1 answer:
Vilka [71]2 years ago
8 0

Answer:

i honestly dont know they dont teach us that i forgor. whats the point of teaching this if you forget lol?

Step-by-step explanation:

Answer: c OR

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40 POINTS PLEASE HELP!
laiz [17]

Answer:

1. X3,    15x - 10y = 80   15x - 7y = 51

-17y = 29

2. 8 = 1/60 + a. 8 - 1/60 = 7.98333333333

   6 = 1/80 + b. 6 - 1/80 =  5.9875

                                          13.9708333333

3. I genuinely dont know sorry.

4. Pencil = $0.05. Pen = $1.05

Step-by-step explanation:

5 0
2 years ago
Describe the difference between the calculation of population standard deviation and that of sample standard deviation.
taurus [48]

Answer:

View graph

Step-by-step explanation:

The population refers to the whole set under study, while the sample is a representative part of that population.

3 0
3 years ago
Giovanni is at the market, he notices that 7 apples cost $4.55. How much does he pay for 9 apples?
geniusboy [140]
You divide $4.55 by 7.
$0.65 times 9 = $5.85
5 0
3 years ago
Read 2 more answers
1) The data in the table below represents the pressure of the gas as the temperature changes. Plot a graph of the data, using th
scoundrel [369]
<span>The graph of temperature versus pressure is a straigh line rising to the right. It Using the value above, the equation is P = 2.5522T + 699. The temperature is directly proportional to pressure. The pressure of the gas 0C using the equation,

</span>P = 2.5522T + 699
P = 2.5522(0) + 699
P = 699
4 0
3 years ago
Read 2 more answers
4. At Sports Shoe Warehouse, the cost of 9 pairs of baseball shoes is $855 plus $92 for each additional pair.
jonny [76]

Answer:

10.46

Step-by-step explanation:

Let the Number of additional pair = x

Ware house A :

855 + 92x - - - (1)

Warehouse B:

Initial cost per pair before 9

= 810 / 9 = $90

Additional 7% for pairs after 9

1.07 * 90 = 96.3

810 + 96.3x - - - (2)

810 + 96.3x = 855+ 92x

96.3x - 92x = 855 - 810

4.3x = 45

x = 45 / 4.3

x = 10.46

Additional pair be 10.46

8 0
2 years ago
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